This is a non-functioning replica of the MPP bulb release button part. In includes a black polished plastic part and an aluminium button. It has been accurately reverse engineered from a real MPP flash. Two screws for attachment are included (DIN85-M2.5×5). The button is static and not functioning. (Heiland flash NOT included).
The aluminium button can also be bought separately. It comes with a screw for attachment.